See also:

Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Fuel savings are achieved after the vehicle is switched off for only approx. 4 s ...

Safety
BMW's inflatable tubular Head Protection System includes side curtain-type airbags for the first and second rows. Front-seat side-impact airbags are installed, and rear side-impact airbags are opt ...

Switching off automatically
The system switches off and the LED goes out: ▷ After approx. 160 ft/50 m when driving forward. ▷ Above approx. 22 mph/36 km/h when driving forward. Switch on the system again if nece ...